Female orgasm pregnant

Do girls have to have an orgasm in order to get pregnant?. Can Orgasm In The 1st Trimester Cause Miscarriage? Experts Explain. Wanting to keep your baby safe and sound is normal for any mom, even if your baby is the size of a pea. And as soon as the hardiest one of the bunch makes it through, the egg changes instantaneously so that no other sperm can get in. It's like a protective shield that clamps down over the egg at the exact moment that first sperm is safely inside. Sign in Hi, Sign out.